ROCHESTER 7043240 Quadrajet Mods Apt MODS/APT/800CFM

( Brand: Rochester ), ( Manufacturer Part Number: 7043240 ), ( Fitment Type: Performance/custom ), ( Items Included: Gasket ), ( Mounting Hardware Included: No ), ( Material: Aluminum ), ( Vintage Part: Yes ), ( Placement On Vehicle: Front ), ( Choke Type: Mechanical Choke ), ( Type: Quadrajet ), ( Mounting Flange Type: Spread Bore ), ( Country/region Of Manufacture: United States )

Review ROCHESTER Quadrajet Buick Hi Perf Mods/apt/800cfm Mint fits 455 1973

The Rochester Quadrajet 4-barrel carburetor, model 7043240, is a powerful and reliable choice for any 1973 Buick 455 engine. This carburetor is a direct replacement for the original Quadrajet, offering improved performance and fuel efficiency.

The Quadrajet 7043240 is a four-barrel carburetor, which means it has four throttle barrels that allow for a more precise and controlled fuel-air mixture. This carburetor is designed to provide an air flow capacity of 800 CFM, making it suitable for high-performance applications. The Quadrajet 4-barrel carburetor features a vacuum secondary system, which provides additional fuel to the engine under high load conditions, resulting in improved acceleration and power.

One of the standout features of the Quadrajet 7043240 is its cast aluminum construction. This not only gives the carburetor a sleek and stylish appearance, but also makes it lightweight and durable. The carburetor is also equipped with a mechanical secondaries system, which provides a smooth and predictable power delivery.

The Quadrajet 7043240 is designed to fit directly onto the 1973 Buick 455 engine, making installation a straightforward process. The carburetor comes with all necessary hardware and instructions for installation. It also features a vacuum secondary system, which can be easily adjusted to fine-tune the fuel-air mixture to suit your specific engine and driving requirements.

In summary, the Rochester Quadrajet 7043240 is a high-performance carburetor that offers improved fuel efficiency, power, and acceleration for your 1973 Buick 455 engine. Its cast aluminum construction, mechanical secondaries system, and easy installation make it a popular choice among enthusiasts and performance-minded drivers. Whether you're looking to upgrade your stock carburetor or build a high-performance engine, the Quadrajet 7043240 is a great option to consider.

1. Increased Airflow: The 800 CFM (cubic feet per minute) rating indicates that this carburetor can provide a significant amount of air and fuel to the engine, resulting in improved performance and power.

2. Wide Compatibility: The Rochester Quadrajet is a popular carburetor used in various American muscle cars from the 1960s and 1970s, including Buick models. This means that you can find parts, tuning guides, and technical support easily.

3. Durable Construction: The Rochester Quadrajet is known for its robust construction and reliable operation, which can withstand high horsepower and heavy use.

1. Complex Tuning: The Quadrajet carburetor is known for its complex tuning requirements, which can be challenging for novice engine builders or tuners. It may require professional help to achieve optimal performance.

2. Cost: High-performance carburetors like the Quadrajet can be expensive, especially when you consider the cost of installation and tuning. Additionally, the 800 CFM version may be more expensive than lower-rated versions.

3. Potential Fuel Consumption Increase: Installing a high-performance carburetor can lead to an increase in fuel consumption, which may not be desirable for daily driving or fuel economy concerns.

The Rochester 7043240 Quadrajet carburetor with 800 CFM can significantly improve the performance and power of a 1973 Buick 455. However, it comes with complex tuning requirements, a potentially high cost, and an increase in fuel consumption. If you are a seasoned engine builder or tuner, and you prioritize performance and power over fuel economy, this carburetor could be a great investment. For others, a less expensive, easier-to-tune option might be more suitable.

Details:

Sealed from factory opened for sales details.

part #: 7043240 prices

• $129.99-$875.00

specifications carbcoon:

• for models: 455
• for makes: Buick, Rochester
• for years: 1973
• brand: Rochester
• mpn: 7043240
• fitment type: Performance/custom
• items included: Gasket
• mounting hardware included: No
• material: Aluminum
• vintage part: Yes
• placement on vehicle: Front
• choke type: Mechanical Choke
• type: Quadrajet
• mounting flange type: Spread Bore
• country/region of manufacture: United States

payments carbcoon:

• other
• wallet: Google-pay
• credit card: Visa

general carbcoon:

• condition: Remanufactured
• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors

offer carbcoon:

• quantity: 1
• started: October 15, 2024
• availability: In Stock
• sold: 0
• options: Ship-to-home

returns carbcoon:

• policy: No Returns

shipping carbcoon:

• cost: $0.00
• service: USPS Priority Mail
• class: Expedited
• transit: 4-9 Days
• carrier: USPS
• type: Calculated

seller carbcoon:

• # reviews: 724
• city: San Antonio, Texas
• rating: 97.7%

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